<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        *{
            margin: 0px;
            padding: 0px;
        }
        html,body,#container{
            width: 100%;
            height: 100%;
            margin: 0px;
            padding: 0px;
            display: flex;
            flex-direction: column;
        }
        #container #header{
            flex: 0 0 106px;
            width: 100%;
            background-color: black;
        }
        #container #footer{
            flex: 0 0 20px;
            width: 100%;
            background-color: #ebf6ff;
        }
        #container #center{
            flex: 1;
            background-color: gainsboro;
            display: flex;
            flex-direction: row;
            margin-top: -3px;/*  ddd  */
        }
        #container #center #left{
            flex: 0 0 200px;
            background-color: #660000;
        }
        #container #center #right{
            flex: 1;
        }
        iframe{
            border: none;
        }
    </style>
</head>
<body>
    <div id="container">
        <div id="header">
            <iframe src="head.html" width="100%" height="106px" frameborder="no" scrolling="no"></iframe>
        </div>
        <div id="center">
            <div id="left">
                <iframe src="left.html" width="100%" height="100%" frameborder="no" scrolling="no"></iframe>
            </div>
            <div id="right">
                <iframe src="center.html" name="main" width="100%" height="100%"
                        frameborder="no" scrolling="no"></iframe>
            </div>
        </div>
        <div id="footer">
            <iframe src="bottom.html" width="100%" height="20px" frameborder="no" scrolling="no"></iframe>
        </div>
    </div>
</body>
</html>